28035530887 has 32 divisors (see below), whose sum is σ = 36019055744. Its totient is φ = 21228480000.

The previous prime is 28035530867. The next prime is 28035530927. The reversal of 28035530887 is 78803553082.

It is a happy number.

It is not a de Polignac number, because 28035530887 - 2⁷ = 28035530759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28035530887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28035530857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137137 + ... + 273637.

It is an arithmetic number, because the mean of its divisors is an integer number (1125595492).

Almost surely, 2^28035530887 is an apocalyptic number.

28035530887 is a deficient number, since it is larger than the sum of its proper divisors (7983524857).

28035530887 is a wasteful number, since it uses less digits than its factorization.

28035530887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136619.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 28035530887 in words is "twenty-eight billion, thirty-five million, five hundred thirty thousand, eight hundred eighty-seven".